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Re: DiffMaps package
Thanks, actually I need to automate the procedure below to compute the minima and saddle points for an array of functions f[x,y]. I guess at some point I'll need to doublecheck manually that the procedure you describe below yields the correct critical points. The above functions are actually outputs of the mathematica interpolation procedure, I am slightly worried they might be nondifferentiable at certain points even if I take a high interpolation order. Do you know where to get further documentation on InterpolatingFunction? It is for me quite a black box. Do you know of any other smoother interpolation procedures like, say, 2d splines in mathematica?